Huawei DTSU666-H Smart Power Sensor (Three-Phase)
The Huawei DTSU666-H is a three-phase smart power sensor with Class 1 accuracy for precise energy monitoring. Features RS485 Modbus RTU communication, power export limitation, and low 1W consumption.
Technical Specifications
| Parameter | DTSU666-H (100A) | DTSU666-H (250A) |
|---|---|---|
| Measurement | ||
| Phases | Three-Phase | |
| Accuracy Class | Class 1 | |
| Current Rating [A] | 100A / 250A | |
| Power Consumption [W] | 1 | |
| Communication | ||
| Protocol | RS485 (Modbus RTU) | |
| Display | LCD | |
| Included Accessories | ||
| Current Transformers | 3x Folding CT (5m cable) | |
| RS485 Cable | 10m | |
Note: Specifications are based on the official Huawei datasheet. Values may be subject to change; always verify against the latest manufacturer documentation.
Key Features
Class 1 Measurement Accuracy
Three-Phase Monitoring
RS485 Modbus RTU
Power Export Limitation
LCD Display
1W Power Consumption
Applications & Use Cases
Typical Applications
- Residential solar systems
- Commercial installations
- Industrial solar plants
- Utility-scale projects
- Smart grid integration
Frequently Asked Questions
What does the smart meter do?
The DTSU666-H measures grid import/export power in real-time, enabling the inverter to optimize self-consumption and comply with power export limitations set by the utility.
What is the warranty coverage for the Huawei DTSU666-H Smart Power Sensor (Three-Phase)?
The Huawei DTSU666-H Smart Power Sensor (Three-Phase) comes with a 5-year product warranty and a 30-year linear power output warranty, ensuring long-term performance and peace of mind.
What certifications does the Huawei DTSU666-H Smart Power Sensor (Three-Phase) have?
The Huawei DTSU666-H Smart Power Sensor (Three-Phase) is certified to IEC62052, IEC62053, meeting international standards for safety, quality, and environmental management.
What model variants are available in the DTSU666-H Smart Power Sensor (Three-Phase) series?
The DTSU666-H Smart Power Sensor (Three-Phase) series includes 2 variants: DTSU666-H (100A), DTSU666-H (250A). Each variant offers different power output levels to match specific project requirements.
What are the installation requirements for the Huawei DTSU666-H Smart Power Sensor (Three-Phase)?
The Huawei DTSU666-H Smart Power Sensor (Three-Phase) is designed for easy installation with standard mounting systems. It operates in temperatures from -40°C to +70°C and features an IP68-rated junction box for outdoor durability.
How does the Huawei DTSU666-H Smart Power Sensor (Three-Phase) perform in hot climates?
The Huawei DTSU666-H Smart Power Sensor (Three-Phase) features a low temperature coefficient, minimizing power loss in high-temperature conditions. This makes it ideal for installations in hot regions like the Middle East, North Africa, and Southern Europe.
What are the key features of the Huawei DTSU666-H Smart Power Sensor (Three-Phase)?
Key features include: Class 1 Measurement Accuracy, Three-Phase Monitoring, RS485 Modbus RTU, Power Export Limitation. These technologies work together to deliver superior energy yield and long-term reliability.
Availability & grid compliance in Germany
| Market | Germany |
| Grid authority / regulator | Bundesnetzagentur |
| Quotation currency | EUR |
| Support hours timezone | Europe/Berlin |
| Delivery & installation coverage | Berlin, Munich, Hamburg, Frankfurt |
Figures on this page are the manufacturer's own, measured at the test conditions the datasheet states — they do not change by country. What changes is the approval that has to be met before the unit is energised: in Germany that is Bundesnetzagentur. Confirm the grid code, import requirements and any local certification with them, or with us, before you order.